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Thermal insulation sound-absorption and noise-reduction TPU (Thermoplastic polyurethanes) thin film and preparation method thereof

A heat insulation and noise reduction technology, applied in the field of polymer materials, can solve the problems of not having sound absorption and noise reduction performance, and achieve the effect of good heat insulation, broad application prospects, and good sound absorption and noise reduction performance

Inactive Publication Date: 2017-03-15
WUXI MINGSHENG TEXTILE MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the utility model has obtained a foamed TPU film with good thermal insulation effect, the film does not have outstanding sound-absorbing and noise-reducing properties

Method used

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  • Thermal insulation sound-absorption and noise-reduction TPU (Thermoplastic polyurethanes) thin film and preparation method thereof
  • Thermal insulation sound-absorption and noise-reduction TPU (Thermoplastic polyurethanes) thin film and preparation method thereof
  • Thermal insulation sound-absorption and noise-reduction TPU (Thermoplastic polyurethanes) thin film and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] In this embodiment, the TPU film is prepared from the following raw materials:

[0034]

[0035] The preparation method is as follows:

[0036] Crush the perlite to 150 mesh, dry each raw material at 75°C for 3 hours in advance, mix them evenly, and extrude them through a casting machine. The temperature settings of each section of the casting machine are as follows: the barrel temperature is 150°C; The temperature of the elbow is 160°C; the temperature of the elbow is 180°C; the temperature of the connection is 190°C; the temperature of the die is 190°C to obtain a TPU film.

Embodiment 2

[0038] In this embodiment, the TPU film is prepared from the following raw materials:

[0039]

[0040]

[0041] The preparation method is as follows:

[0042] Grind the perlite to 200 mesh, dry each raw material at 80°C for 1 hour in advance, mix them evenly, and extrude through the casting machine. The temperature of each section of the casting machine is set as follows: the barrel temperature is 210°C; The temperature of the elbow is 190°C; the temperature of the elbow is 220°C; the temperature of the connection is 210°C; the temperature of the die is 230°C to obtain a TPU film.

Embodiment 3

[0044] In this embodiment, the TPU film is prepared from the following raw materials:

[0045]

[0046] The preparation method is as follows:

[0047] Grind the perlite to 180 mesh, dry each raw material at 75°C for 2 hours in advance, mix them evenly, and extrude through the casting machine. The temperature of each section of the casting machine is set as follows: the barrel temperature is 190°C; The temperature of the elbow is 150°C; the temperature of the elbow is 200°C; the temperature of the connection is 180°C; the temperature of the die is 220°C to obtain a TPU film.

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Abstract

The invention provides a thermal insulation sound-absorption and noise-reduction TPU (Thermoplastic polyurethanes) thin film and a preparation method thereof. The TPU thin film is prepared from the following raw materials in parts by weight: 60 to 70 parts of TPU particles, 15 to 20 parts of polycarbodiimide, 10 to 30 parts of epoxy resin, 10 to 15 parts of perlite, 10 to 20 parts of ceramic particles and 5 to 10 parts of antioxidant. The prepared TPU thin film is good in thermal insulation performance, sound-absorption and noise-reduction performance and mechanical performance and wide in application prospect.

Description

technical field [0001] The invention belongs to the field of polymer materials, and relates to a TPU film for thermal insulation, sound absorption and noise reduction and a preparation method thereof. Background technique [0002] With the development of industrial production, transportation, urban construction, and the increase of population density, the increase of household facilities (audio, air conditioner, television, etc.), environmental noise is becoming more and more serious, and it has become a major public hazard that pollutes the human social environment. Noise not only affects hearing, but also has adverse effects on the human cardiovascular system, nervous system, and endocrine system. Therefore, the demand for sound-absorbing and noise-reducing, heat-insulating and heat-insulating materials has greatly increased. [0003] Thermoplastic polyurethane elastomer (TPU) has been widely used in various industries due to its unique and excellent properties. With the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L75/04C08L79/00C08L63/00C08L69/00C08L1/02C08K3/24
CPCC08L75/04C08J5/18C08J2375/04C08J2463/00C08L2203/16C08L2205/035C08L79/00C08L63/00C08L69/00C08L1/02C08K3/24
Inventor 张达明
Owner WUXI MINGSHENG TEXTILE MACHINERY
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